11331131310101 has 4 divisors (see below), whose sum is σ = 11331138365100. Its totient is φ = 11331124255104.

The previous prime is 11331131310091. The next prime is 11331131310151. The reversal of 11331131310101 is 10101313113311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7720090035025 + 3611041275076 = 2778505^2 + 1900274^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331131310101 - 2³⁴ = 11313951440917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131310151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181895 + ... + 4763963.

It is an arithmetic number, because the mean of its divisors is an integer number (2832784591275).

Almost surely, 2^{11331131310101} is an apocalyptic number.

It is an amenable number.

11331131310101 is a deficient number, since it is larger than the sum of its proper divisors (7054999).

11331131310101 is an equidigital number, since it uses as much as digits as its factorization.

11331131310101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7054998.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 11331131310101 its reverse (10101313113311), we get a palindrome (21432444423412).

The spelling of 11331131310101 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred ten thousand, one hundred one".